Noometry

Model comparison

Gemini 3.5 Flash vs Reka Flash 3

Gemini 3.5 Flash has enough public results to be ranked (#32); Reka Flash 3 does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

Gemini 3.5 Flash Google

54.2

Rank #32 Confirmed

Reka Flash 3 Reka

36.8

Unranked Sparse

Summary

  • The widest gap is in writing & preference, where Gemini 3.5 Flash leads 65.5 to 43.7.
  • Reka Flash 3 is cheaper at $0.10 / $0.20 per million input/output tokens, against $1.50 / $9 for Gemini 3.5 Flash.
  • Gemini 3.5 Flash accepts more context: 1.05M tokens versus 66K.
  • Reka Flash 3 has downloadable open weights; the other is API-only.

Side by side

Gemini 3.5 FlashReka Flash 3
ProviderGoogleReka
Noometry Index54.236.8
Released2026-05-192025-03-10
WeightsProprietaryOpen
Context window1.05M66K
Max output66K59K
Input $ / M tokens$1.50$0.10
Output $ / M tokens$9$0.20
Results tracked542

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Category by category

Coding Not comparable

Gemini 3.5 Flash: 49.4 (#49), Reka Flash 3: —

BenchmarkGemini 3.5 FlashReka Flash 3
SWE-bench Verified79.3%—
DeepSWE37.4%—
LMArena WebDev1499—
SciCode53.1%—
WeirdML62.6%—
LMArena Coding1492—
ALE-Bench911.02—

Agentic & Tool Use Reka Flash 3 leads

Gemini 3.5 Flash: 24.7 (#114), Reka Flash 3: 30.4

BenchmarkGemini 3.5 FlashReka Flash 3
APEX-Agents27.5%—
BALROG—29.2%
GBAEval6.7%—
GDP.pdf14%—
Vending-Bench 25,396—

Reasoning Not comparable

Gemini 3.5 Flash: 62.8 (#18), Reka Flash 3: —

BenchmarkGemini 3.5 FlashReka Flash 3
ARC-AGI-272.1%—
SimpleBench76.7%—
NYT Connections (extended)92.6%—
ARC-AGI-192.5%—
CritPt13.1%—
Chess Puzzles50%—
EnigmaEval25.4%—
EBR-Bench4.8%—
LMArena Hard Prompts1488—
Mystery Game Puzzles32%—
DTBench94.7%—
LMCA47.1%—
Surface Evolver Bench58.1%—
Epoch Capabilities Index154.46—
ForecastBench59—

Math Not comparable

Gemini 3.5 Flash: 60.7 (#36), Reka Flash 3: —

BenchmarkGemini 3.5 FlashReka Flash 3
FrontierMath (Tiers 1-3)62.8%—
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions76.3%—
OTIS Mock AIME 2024-202595.6%—
ProofBench31%—
LMArena Math1504—
FrontierMath (Feb 2025 set)39%—
FrontierMath Tier 4 (v1)14.6%—

Knowledge Not comparable

Gemini 3.5 Flash: 66.3 (#11), Reka Flash 3: —

BenchmarkGemini 3.5 FlashReka Flash 3
GPQA Diamond92.8%—
SimpleQA Verified66.2%—
LMArena Expert1495—

Multimodal Not comparable

Gemini 3.5 Flash: 45.7 (#15), Reka Flash 3: —

BenchmarkGemini 3.5 FlashReka Flash 3
LMArena Vision1310—
Blueprint-Bench 233.6%—
LMArena Document1463—

Multilingual Not comparable

Gemini 3.5 Flash: 57.0 (#13), Reka Flash 3: —

BenchmarkGemini 3.5 FlashReka Flash 3
LMArena Non-English1476—
LMArena Chinese1526—
LMArena French1490—
LMArena German1492—
LMArena Japanese1486—
LMArena Korean1451—
LMArena Russian1493—
LMArena Spanish1480—

Instruction Following Not comparable

Gemini 3.5 Flash: 77.0 (#30), Reka Flash 3: —

BenchmarkGemini 3.5 FlashReka Flash 3
LMArena Instruction Following1467—

Long Context Not comparable

Gemini 3.5 Flash: 45.4 (#38), Reka Flash 3: —

BenchmarkGemini 3.5 FlashReka Flash 3
LMArena Longer Query1482—

Writing & Preference Gemini 3.5 Flash leads

Gemini 3.5 Flash: 65.5 (#47), Reka Flash 3: 43.7

BenchmarkGemini 3.5 FlashReka Flash 3
LMArena Text1482—
LMArena Creative Writing1470—
EQ-Bench Creative Writing—1228
EQ-Bench 41087—
LMArena Multi-Turn1481—

Frequently asked questions

Is Gemini 3.5 Flash better than Reka Flash 3?

Gemini 3.5 Flash has enough public results to be ranked (#32); Reka Flash 3 does not yet, so treat this comparison as directional.

Which is cheaper, Gemini 3.5 Flash or Reka Flash 3?

Reka Flash 3 is cheaper. It lists at $0.10 per million input tokens and $0.20 per million output tokens; Gemini 3.5 Flash lists at $1.50 and $9.

Which has the bigger context window?

Gemini 3.5 Flash does, with 1.05M tokens against 66K.

How many benchmarks do Gemini 3.5 Flash and Reka Flash 3 share?

0 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Reka Flash 3 has 2.

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